package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.exception.DeletionNotAllowedException;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {
    @Autowired
    CategoryMapper categoryMapper;
    @Autowired
    DishMapper dishMapper;
    @Autowired
    SetmealMapper setmealMapper;
    @Override
    public void update(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);
        category.setStatus(1);
    //    category.setUpdateTime(LocalDateTime.now());
      //  category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.update(category);
    }

    @Override
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO) {
        PageHelper.startPage(categoryPageQueryDTO.getPage(),categoryPageQueryDTO.getPageSize());
        Page<Category> page = categoryMapper.pageQuery(categoryPageQueryDTO);
        return new PageResult(page.getTotal(),page.getResult());
    }

    @Override
    public void save(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);
        category.setStatus(StatusConstant.DISABLE);

        //设置创建时间、修改时间、创建人、修改人
      //  category.setCreateTime(LocalDateTime.now());
      //  category.setUpdateTime(LocalDateTime.now());
      //  category.setCreateUser(BaseContext.getCurrentId());
      //  category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.save(category);
    }

    @Override
    public void openOrStop(Integer status, Long id) {
        Category category = new Category();
        category.setStatus(status);
        category.setId(id);
     //   category.setUpdateTime(LocalDateTime.now());
      //  category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.update(category);
    }

    @Override
    public List<Category> list(Integer type) {
        return categoryMapper.list(type);
    }

    @Override
    public void deleteById(Integer id) {
    Integer count = dishMapper.countByCategoryId(id);
    if(count>0)
    {
        throw new DeletionNotAllowedException(MessageConstant.CATEGORY_BE_RELATED_BY_DISH);
    }
    count = setmealMapper.countByCategoryId(id);
    if(count>0)
    {
        throw new DeletionNotAllowedException(MessageConstant.CATEGORY_BE_RELATED_BY_SETMEAL);
    }
    categoryMapper.deleteById(id);
    }
}
